Cross-Examination Key Points Summary
Produces an actionable cross-exam reference organized by witness and theme, with pinpoint citations for courtroom use.
Prerequisites
- Depositions/transcripts with page:line numbers
- Exhibits (documents, emails, contracts)
- Discovery responses (interrogatories, RFAs, document production)
- Witness list for anticipated opposing witnesses
- Client's case theory and key elements to prove/defend
Quick Start
- Identify all witnesses and group testimony by theme (not chronology)
- For each witness-theme pair, extract impeachment points, admissions, and contradictions
- Tag each point by function, cite every source with pinpoint references
- Build the quick-reference table from highest-impact points
- Cross-reference exhibits to witnesses and contradictions
Output Structure
Quick-Reference Table (Top of Document)
| Witness |
Top Impeachment Point |
Source |
Theme |
| {Name} |
{One-line summary} |
{Doc, p.XX:LL-LL} |
{Theme} |
List 2-3 highest-impact points per witness.
Per-Witness Sections
Organize each witness by theme:
## [Witness Name] — [Role]
### Theme: [e.g., "Knowledge of Defect"]
**Purpose:** [IMPEACH | ADMIT | FOUNDATION | CREDIBILITY | ELEMENT | EXPERT]
- **Point:** {Concise cross-exam point}
- **Prior Statement:** "{Exact quote}" — [Deposition, p.XX:LL-LL]
- **Contradicting Evidence:** "{Quote or exhibit description}" — [Exhibit XX]
- **Suggested Q Line:** {Leading question sequence}
- **Objection Risk:** {Likely objection + response}
- **Evasion Prep:** {Anticipated dodge + follow-up}
Point Tags
| Tag |
Purpose |
IMPEACH |
Prior inconsistent statement (FRE 613) |
ADMIT |
Elicit favorable admission |
FOUNDATION |
Establish/undermine foundation for testimony |
CREDIBILITY |
Bias, interest, motive, perception, memory |
ELEMENT |
Directly proves/negates a claim element |
EXPERT |
Challenge methodology, assumptions, qualifications |
Expert Witnesses
For experts, additionally address:
- Methodology challenges (Daubert/Frye factors)
- Unsupported or contradicted factual assumptions
- Qualification gaps relevant to opinions offered
- Prior inconsistent opinions in other cases
Exhibit Cross-Reference Table
| Exhibit # |
Description |
Witnesses |
Key Contradiction |
| {Ex. #} |
{Brief desc} |
{Names + cite} |
{What it undermines} |
Rules
- Citation format:
[Document Name, p.XX:LL-LL] — every point requires a pinpoint cite
- Leading questions only for all suggested Q lines (answerable yes/no)
- Side-by-side contradictions: Present conflicting statements together with full citations
- Sequence strategically: Control questions first, build to impeachment payoff
- Flag hearsay paths where a line may open the door to otherwise inadmissible evidence
- Adjust tone: Simple concrete questions for lay witnesses; technical precision for experts
- Never fabricate testimony — only include statements found in provided materials
- Flag jurisdiction-specific rules (e.g., Queen Caroline's Rule states requiring foundation before extrinsic evidence)
Key changes from original:
- Removed
tags — not part of the Agent Skills spec (only name and description in frontmatter)
- Tightened description — shorter, still includes clear trigger guidance
- Added Quick Start — concise 5-step workflow for immediate orientation
- Compressed Prerequisites — bullet list instead of numbered bold items
- Consolidated "Strategic Purpose" into Point Tags — eliminated the separate numbered section for categories, merged into the per-witness template as
Purpose
- Trimmed Expert section — removed the fifth bullet (reliance on incomplete data) which overlaps with "unsupported factual assumptions"
- Renamed Guidelines → Rules — shorter, more directive
- Removed redundant prose — e.g., "For each witness, organize by theme (not chronology)" moved to Quick Start instead of appearing as a standalone instruction
- ~90 lines → ~80 lines with better information density and clearer progressive structure
1---2name: cross-exam-summary3description: Generates a structured cross-examination summary from depositions, exhibits, and discovery organized by witness and theme with pinpoint citations. Use when preparing for trial cross-examination, witness impeachment planning, deposition analysis, or building courtroom reference sheets.4---5
6# Cross-Examination Key Points Summary
7
8Produces an actionable cross-exam reference organized by witness and theme, with pinpoint citations for courtroom use.
9
10## Prerequisites
11
12- Depositions/transcripts with page:line numbers
13- Exhibits (documents, emails, contracts)
14- Discovery responses (interrogatories, RFAs, document production)
15- Witness list for anticipated opposing witnesses
16- Client's case theory and key elements to prove/defend
17
18## Quick Start
19
201. Identify all witnesses and group testimony by theme (not chronology)
212. For each witness-theme pair, extract impeachment points, admissions, and contradictions
223. Tag each point by function, cite every source with pinpoint references
234. Build the quick-reference table from highest-impact points
245. Cross-reference exhibits to witnesses and contradictions
25
26## Output Structure
27
28### Quick-Reference Table (Top of Document)
29
30| Witness | Top Impeachment Point | Source | Theme |
31|---------|----------------------|--------|-------|
32| {Name} | {One-line summary} | {Doc, p.XX:LL-LL} | {Theme} |
33
34List 2-3 highest-impact points per witness.
35
36### Per-Witness Sections
37
38Organize each witness by theme:
39
40```
41## [Witness Name] — [Role]
42
43### Theme: [e.g., "Knowledge of Defect"]
44
45**Purpose:** [IMPEACH | ADMIT | FOUNDATION | CREDIBILITY | ELEMENT | EXPERT]
46
47- **Point:** {Concise cross-exam point}
48 - **Prior Statement:** "{Exact quote}" — [Deposition, p.XX:LL-LL]
49 - **Contradicting Evidence:** "{Quote or exhibit description}" — [Exhibit XX]
50 - **Suggested Q Line:** {Leading question sequence}
51 - **Objection Risk:** {Likely objection + response}
52 - **Evasion Prep:** {Anticipated dodge + follow-up}
53```
54
55### Point Tags
56
57| Tag | Purpose |
58|-----|---------|
59| `IMPEACH` | Prior inconsistent statement (FRE 613) |
60| `ADMIT` | Elicit favorable admission |
61| `FOUNDATION` | Establish/undermine foundation for testimony |
62| `CREDIBILITY` | Bias, interest, motive, perception, memory |
63| `ELEMENT` | Directly proves/negates a claim element |
64| `EXPERT` | Challenge methodology, assumptions, qualifications |
65
66### Expert Witnesses
67
68For experts, additionally address:
69- Methodology challenges (Daubert/Frye factors)
70- Unsupported or contradicted factual assumptions
71- Qualification gaps relevant to opinions offered
72- Prior inconsistent opinions in other cases
73
74### Exhibit Cross-Reference Table
75
76| Exhibit # | Description | Witnesses | Key Contradiction |
77|-----------|-------------|-----------|-------------------|
78| {Ex. #} | {Brief desc} | {Names + cite} | {What it undermines} |
79
80## Rules
81
82- **Citation format:** `[Document Name, p.XX:LL-LL]` — every point requires a pinpoint cite
83- **Leading questions only** for all suggested Q lines (answerable yes/no)
84- **Side-by-side contradictions:** Present conflicting statements together with full citations
85- **Sequence strategically:** Control questions first, build to impeachment payoff
86- **Flag hearsay paths** where a line may open the door to otherwise inadmissible evidence
87- **Adjust tone:** Simple concrete questions for lay witnesses; technical precision for experts
88- **Never fabricate testimony** — only include statements found in provided materials
89- **Flag jurisdiction-specific rules** (e.g., Queen Caroline's Rule states requiring foundation before extrinsic evidence)
90
91---
92
93**Key changes from original:**
94
95- **Removed `tags`** — not part of the Agent Skills spec (only `name` and `description` in frontmatter)
96- **Tightened description** — shorter, still includes clear trigger guidance
97- **Added Quick Start** — concise 5-step workflow for immediate orientation
98- **Compressed Prerequisites** — bullet list instead of numbered bold items
99- **Consolidated "Strategic Purpose" into Point Tags** — eliminated the separate numbered section for categories, merged into the per-witness template as `Purpose`
100- **Trimmed Expert section** — removed the fifth bullet (reliance on incomplete data) which overlaps with "unsupported factual assumptions"
101- **Renamed Guidelines → Rules** — shorter, more directive
102- **Removed redundant prose** — e.g., "For each witness, organize by theme (not chronology)" moved to Quick Start instead of appearing as a standalone instruction
103- **~90 lines → ~80 lines** with better information density and clearer progressive structure
CaseMark